#54063: C++
austin.cy.yang@gmail.com
(Austin)
#include <iostream>
using namespace std;
int main () {
int n,S,best_num,best_CP=0;
cin >>n >>S;
for (int i=1; i<=n; i++) {
int CP,IV;
cin >>CP >>IV;
if (IV>=0&&IV<=29) {
CP+=(S/1000)*10;
}
else if (IV>=30&&IV<=39) {
CP+=(S/1000)*50;
}
else if (IV>=40&&IV<=45) {
CP+=(S/1000)*100;
}
if (CP>best_CP) {
best_CP=CP;
best_num=i;
}
}
cout <<best_num <<' ' <<best_CP;
}