#include <bits/stdc++.h>
static struct FASTIO {
char READ_CHARACTER; bool REMAINING_CHARACTER = false;
inline void ignore(); inline void flush();
template <typename T> inline bool READ_INT(T &x); template <typename T> inline bool READ_STRING(T &x);
/* Fast I/O Code Optimizer */
template<size_t N> inline bool READ_CHAR_ARRAY(char (&x)[N]); template<size_t N> inline bool READ_VAR(char (&x)[N]);
/* A tool to optimize execution time of C++ codes by replacing methods of reading and writing variables */
template <typename T> inline bool READ_CHAR(T &x); inline bool READ_CHAR_ARRAY(char*& x); inline bool READ_GETLINE(std::string &x);
/* Use it on fastio.pythonanywhere.com */
template <typename T> inline bool READ_FLOAT(T &x); template <typename T> inline bool READ_DOUBLE(T &x);
/* Github Project: github.com/bfs07/Fast-IO-Code-Optimizer */
template<std::size_t N> inline bool READ_BITSET(std::bitset<N> &bit); template<std::size_t N> inline bool READ_VAR(std::bitset<N> &bit);
inline bool READ_VAR(bool &x); inline bool READ_VAR(short int &x); inline bool READ_VAR(int &x);
inline bool READ_VAR(long int &x); inline bool READ_VAR(long long int &x); inline bool READ_VAR(unsigned short int &x);
inline bool READ_VAR(unsigned int &x); inline bool READ_VAR(unsigned long &x); inline bool READ_VAR(unsigned long long &x);
inline bool READ_VAR(std::string &x); inline bool READ_VAR(char &x); inline bool READ_VAR(char*& x); inline bool READ_VAR(float &x);
inline bool READ_VAR(double &x); inline bool READ_VAR(long double &x); template <typename T> inline void WRITE_INT(T x);
inline void WRITE_STRING(std::string &x); inline void WRITE_CHAR(char x); inline void WRITE_CHAR_ARRAY(const char *x);
inline void WRITE_FLOAT(float x); template <typename T> inline void WRITE_DOUBLE(T x); inline void WRITE_VAR(bool x);
inline void WRITE_VAR(short int x); inline void WRITE_VAR(int x); inline void WRITE_VAR(long int x); inline void WRITE_VAR(long long int x);
inline void WRITE_VAR(unsigned short int x); inline void WRITE_VAR(unsigned int x); inline void WRITE_VAR(unsigned long x);
inline void WRITE_VAR(unsigned long long x); inline void WRITE_VAR(char x); inline void WRITE_VAR(const char *x);
inline void WRITE_VAR(std::string &x); inline void WRITE_VAR(float x); inline void WRITE_VAR(double x); inline void WRITE_VAR(long double x);
template<std::size_t N> inline void WRITE_VAR(std::bitset<N> &bit); template<std::size_t N> inline void WRITE_BITSET(std::bitset<N> &bit);
} __FIO__;
#include <bits/stdc++.h>
int main() {
0, 0, __FIO__.WRITE_VAR(std::pow(2.0, 1000));
return 0;
}
inline void FASTIO::ignore() {
if(REMAINING_CHARACTER == true) REMAINING_CHARACTER = false; else READ_CHARACTER = getchar();
}
inline void FASTIO::flush() {
fflush(stdout);
}
// cin modifications
template <typename T>
inline bool FASTIO::READ_INT(T &x) {
x = 0; T sig = 1;
if(!REMAINING_CHARACTER) READ_CHARACTER = getchar(), REMAINING_CHARACTER = true; else REMAINING_CHARACTER = false;
while (!isdigit(READ_CHARACTER) && READ_CHARACTER != EOF) sig = (READ_CHARACTER == '-' ? -sig : sig), READ_CHARACTER = getchar();
if(READ_CHARACTER == EOF) return REMAINING_CHARACTER = false, false;
while (isdigit(READ_CHARACTER)) x = x * 10 + READ_CHARACTER - '0', READ_CHARACTER = getchar();
x *= sig; REMAINING_CHARACTER = true;
return true;
}
template <typename T>
inline bool FASTIO::READ_STRING(T &x) {
x = "";
if(!REMAINING_CHARACTER) READ_CHARACTER = getchar(), REMAINING_CHARACTER = true; else REMAINING_CHARACTER = false;
while ((READ_CHARACTER == '\n' || READ_CHARACTER == '\t' || READ_CHARACTER == ' ')) READ_CHARACTER = getchar();
if(READ_CHARACTER == EOF) return REMAINING_CHARACTER = false, false;
while ((READ_CHARACTER != '\n' && READ_CHARACTER != '\t' && READ_CHARACTER != ' ' && READ_CHARACTER != EOF)) x += READ_CHARACTER, READ_CHARACTER = getchar();
REMAINING_CHARACTER = true;
return true;
}
inline bool FASTIO::READ_GETLINE(std::string &x) {
x = "";
if(!REMAINING_CHARACTER) READ_CHARACTER = getchar(), REMAINING_CHARACTER = true; else REMAINING_CHARACTER = false;
if(READ_CHARACTER == EOF) return REMAINING_CHARACTER = false, false;
while ((READ_CHARACTER != '\n' && READ_CHARACTER != EOF)) x += READ_CHARACTER, READ_CHARACTER = getchar();
REMAINING_CHARACTER = false;
return true;
}
template <typename T>
inline bool FASTIO::READ_CHAR(T &x) {
if(!REMAINING_CHARACTER) READ_CHARACTER = getchar(), REMAINING_CHARACTER = true; else REMAINING_CHARACTER = false;
if(READ_CHARACTER == EOF) return REMAINING_CHARACTER = false, false;
while ((READ_CHARACTER == '\n' || READ_CHARACTER == '\t' || READ_CHARACTER == ' ')) READ_CHARACTER = getchar();
x = READ_CHARACTER; REMAINING_CHARACTER = false;
return true;
}
template<size_t N>
inline bool FASTIO::READ_CHAR_ARRAY(char (&x)[N]) {
if(!REMAINING_CHARACTER) READ_CHARACTER = getchar(), REMAINING_CHARACTER = true; else REMAINING_CHARACTER = false;
while ((READ_CHARACTER == '\n' || READ_CHARACTER == '\t' || READ_CHARACTER == ' ')) READ_CHARACTER = getchar();
if(READ_CHARACTER == EOF) return REMAINING_CHARACTER = false, false;
char *ptr = &x[0];
while ((READ_CHARACTER != '\n' && READ_CHARACTER != '\t' && READ_CHARACTER != ' ' && READ_CHARACTER != EOF)) *ptr++ = READ_CHARACTER, READ_CHARACTER = getchar();
*ptr = '\0', REMAINING_CHARACTER = true;
return true;
}
inline bool FASTIO::READ_CHAR_ARRAY(char*& x) {
std::string y;
if(READ_STRING(y) == false)
return false;
x = new char[(int)y.size() + 1];
strcpy(x, y.c_str());
return true;
}
template <typename T>
inline bool FASTIO::READ_FLOAT(T &x) {
return (scanf("%f", &x) != EOF);
}
template <typename T>
inline bool FASTIO::READ_DOUBLE(T &x) {
double y;
if(scanf("%lf", &y) == EOF) return false;
x = y;
return true;
}
template<std::size_t N>
inline bool FASTIO::READ_BITSET(std::bitset<N> &x) {
if(!REMAINING_CHARACTER) READ_CHARACTER = getchar(), REMAINING_CHARACTER = true; else REMAINING_CHARACTER = false;
while ((READ_CHARACTER == '\n' || READ_CHARACTER == '\t' || READ_CHARACTER == ' ')) READ_CHARACTER = getchar();
if(READ_CHARACTER == EOF) return REMAINING_CHARACTER = false, false;
int i = 0; REMAINING_CHARACTER = true;
while (READ_CHARACTER == '0' || READ_CHARACTER == '1') x[i++] = READ_CHARACTER - '0', READ_CHARACTER = getchar();
return true;
}
inline bool FASTIO::READ_VAR(short int &x) {
return READ_INT(x);
}
inline bool FASTIO::READ_VAR(int &x) {
return READ_INT(x);
}
inline bool FASTIO::READ_VAR(long int &x) {
return READ_INT(x);
}
inline bool FASTIO::READ_VAR(long long int &x) {
return READ_INT(x);
}
inline bool FASTIO::READ_VAR(unsigned short int &x) {
return READ_INT(x);
}
inline bool FASTIO::READ_VAR(unsigned int &x) {
return READ_INT(x);
}
inline bool FASTIO::READ_VAR(unsigned long &x) {
return READ_INT(x);
}
inline bool FASTIO::READ_VAR(unsigned long long &x) {
return READ_INT(x);
}
inline bool FASTIO::READ_VAR(std::string &x) {
return READ_STRING(x);
}
inline bool FASTIO::READ_VAR(char &x) {
return READ_CHAR(x);
}
template<size_t N>
inline bool FASTIO::READ_VAR(char (&x)[N]) {
return READ_CHAR_ARRAY(x);
}
inline bool FASTIO::READ_VAR(char*& x) {
return READ_CHAR_ARRAY(x);
}
inline bool FASTIO::READ_VAR(float &x) {
return READ_FLOAT(x);
}
inline bool FASTIO::READ_VAR(double &x) {
return READ_DOUBLE(x);
}
inline bool FASTIO::READ_VAR(long double &x) {
return READ_DOUBLE(x);
}
template<std::size_t N>
inline bool FASTIO::READ_VAR(std::bitset<N> &x) {
return READ_BITSET(x);
}
// cout modifications
template <typename T>
inline void FASTIO::WRITE_INT(T x) {
if (x < 0) {putchar('-'); x = -x; }
char writeBuffer[20], *writePtr = writeBuffer;
do {
*writePtr++ = '0' + x % 10;
x /= 10;
}
while (x);
do { putchar(*--writePtr); }
while (writePtr > writeBuffer);
}
inline void FASTIO::WRITE_CHAR(char x) {
putchar(x);
}
inline void FASTIO::WRITE_CHAR_ARRAY(const char *x) {
while(*x != '\0')
putchar(*x++);
}
inline void FASTIO::WRITE_STRING(std::string &x) {
for(char c: x)
putchar(c);
}
inline void FASTIO::WRITE_FLOAT(float x) {
printf("%.0f", x);
}
template <typename T>
inline void FASTIO::WRITE_DOUBLE(T x) {
printf("%.0lf", (double)x);
}
template<std::size_t N>
inline void FASTIO::WRITE_BITSET(std::bitset<N> &x) {
for(int i = (int)x.size() - 1; i >= 0; i--)
putchar(x[i] + 48);
}
inline void FASTIO::WRITE_VAR(bool x) {
WRITE_INT(x);
}
inline void FASTIO::WRITE_VAR(short int x) {
WRITE_INT(x);
}
inline void FASTIO::WRITE_VAR(int x) {
WRITE_INT(x);
}
inline void FASTIO::WRITE_VAR(long int x) {
WRITE_INT(x);
}
inline void FASTIO::WRITE_VAR(long long int x) {
WRITE_INT(x);
}
inline void FASTIO::WRITE_VAR(unsigned short int x) {
WRITE_INT(x);
}
inline void FASTIO::WRITE_VAR(unsigned int x) {
WRITE_INT(x);
}
inline void FASTIO::WRITE_VAR(unsigned long x) {
WRITE_INT(x);
}
inline void FASTIO::WRITE_VAR(unsigned long long x) {
WRITE_INT(x);
}
inline void FASTIO::WRITE_VAR(std::string &x) {
WRITE_STRING(x);
}
inline void FASTIO::WRITE_VAR(char x) {
WRITE_CHAR(x);
}
inline void FASTIO::WRITE_VAR(const char *x) {
WRITE_CHAR_ARRAY(x);
}
inline void FASTIO::WRITE_VAR(float x) {
WRITE_FLOAT(x);
}
inline void FASTIO::WRITE_VAR(double x) {
WRITE_DOUBLE(x);
}
inline void FASTIO::WRITE_VAR(long double x) {
WRITE_DOUBLE(x);
}
template<std::size_t N>
inline void FASTIO::WRITE_VAR(std::bitset<N> &x) {
WRITE_BITSET(x);
}