#include <iostream>
#include <string>
using namespace std;
int main () {
cout << "> ";
string dna; // << put the declaration 1st
cin >> dna;
cout << "< ";
for(auto a : dna) {
switch(a) {
case 'A': cout << 'U';
break;
case 'C': cout << 'G';
break;
case 'G': cout << 'C';
break;
case 'T': cout << 'A';
break;
}
}
cout << " " << endl;
return 0;
}
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