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#include <algorithm>
#include <vector>
#include <string>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
using namespace std;
typedef long long i64;
int main(){
int T; scanf("%d", &T);
for(int t=0; t < T; ++t){
i64 a, b; scanf("%lld %lld", &a, &b);
printf("%lld\n",b);
}
return 0;
}
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