#include <iostream>
#include<string>
using namespace std;
int main() {
string j;
int x,jm,c=0,mn=1001;
for (int i=0;i<x;++i) {
cin>>j>>jm;
if (jm==mn)
++c;
else if (jm<mn) {
c = 1;
mn = jm;
}
}
cout << c << endl;
return 0;
}
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