#include <iostream>
#include <conio.h>
#include <stdio.h>
using namespace std;
int main(){
float mayor1, menor1, n1, n2, n3, n4, nota1;
cout<<" ingrese las cuatro notas"<<endl;
cin>>n1>>n2>>n3>>n4;
if(n1<n2 && n1<n3 && n1<n4){
    menor1 = n1;
}else if(n2<n1 && n2<n3 && n2<n4){
    menor1= n2;
}else if(n3<n1 && n3<n2 && n3<n4){
    menor1= n3;
}else{
    menor1= n4;
}

cout << "El menor es:  "<<menor1<<endl;


return 0;
}