171224_5543_상근날드

//https://www.acmicpc.net/problem/5543 #include <iostream>

using namespace std;

int main()

{

int hbg=2100;

int bvrg=2100;

for(int i=0;i<3; i++)

{

int x;

cin >> x;

if(hbg>x) hbg=x;

}

for(int i=0; i<2; i++)

{

int y;

cin >> y;

if(bvrg>y) bvrg=y;

}

cout << hbg+bvrg-50;

}