#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<ctime> #include<cstdlib> #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a[150],b[150] for(int i=1;i<=50;i++){ cin>>a[i]>>b[i]; if(b[i]>=80){ cout<<a[i]<<" "<<b[i]<<endl; } } return 0; }