zasdas

#include <stdio.h>
#include <stdlib.h>

#define MAX 100
#define MIN 2
#define MIN_Z 30


int main ( void ){
    int t1 , t2, n, m, z;

    if ( scanf ("%d", &t1 ) != 1 && t1 >= MIN ){
        exit ( EXIT_FAILURE );
    }

    if ( scanf ("%d", &t2 ) != 1 && t2 <= MAX ){
        exit ( EXIT_FAILURE );
    }

    if ( scanf ("%d", &n ) != 1 && n >= MIN  ){
        exit ( EXIT_FAILURE );
    }

    if ( scanf ("%d", &m ) != 1 && m <= MAX ){
        exit ( EXIT_FAILURE );
    }

    if ( scanf ("%d", &z ) != 1 && z >= MIN && z <= MIN_Z){
        exit ( EXIT_FAILURE );
    }

    printf("%d ", ( ( t1 * n ) + ( t2 * m ) ) * 5 );
    return 0;
}