#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
int main() {
//JSRUN引擎2.0,=支持多达30种语言在线运行,全仿真在线交互输入输出。
int ping = 31*7 + 30*4;
int run = ping+1;
int x,all=0,count=0;
for(int i=1950;i<=2012;i++){
if(i%4 == 0){
all +=run;
x = all%7;
}else{
all +=ping;
x = all%7;
}
if(x == 1)count++;
if(i==2012)cout<<all<<endl;
}
cout<<count<<endl;
return 0;
}