#include <iostream>
#include <cstdio>
using namespace std;
int main() {
char c, s[100];
int i = 0;
scanf("%c", &c);
while (c != '\n')
{
s[i++] = c;
scanf("%c", &c);
}
//for(int j=0; j<i; j++) cout<<s[j];
printf("%s", s);
return 0;
}
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