#include<bits/stdc++.h> using namespace std; int main() { int n = 7,a,b,c = 0,d = 2100000000,e = 0,f; for (int zz = 1;zz <= n;zz++) { cin>>a>>b; if (b + a > 8 && b + a < d + c) { c = a; d = b; f = e; } e++; } cout<<f + 1; return 0; }