#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <stddef.h>

int main(){
    char operator[10];
    char znamienko[10];
    float cislo1, cislo2, vysledok;
    float kontrola;
    float a;
    scanf("%f %s %f %s %f", &cislo1, operator, &cislo2, znamienko, &vysledok);

    if(operator[0] != '+' && operator[0] != '-' && operator[0] != '*' && operator[0] != '/' ){
        printf("CHYBA\n");
        return 0;
    }

    if(operator[0] == '+'){
        kontrola = cislo1 + cislo2;
    }else if(operator[0] == '-'){
        kontrola = cislo1 - cislo2;
    }else if(operator[0] == '*'){
        kontrola = cislo1 * cislo2;
    }else if(operator[0] == '/'){
        kontrola = cislo1 / cislo2;
    }
    a = kontrola * 100000;
    kontrola = floor(a) / 100000;

    if(vysledok == kontrola){
        printf("OK\n");
    }else{
        printf("ZLE\n");
    }
    printf("%f %f %lf %f ",cislo1, cislo2, kontrola, vysledok );
    printf("%c", operator[0] );
    printf("%c", znamienko );

    return 0;
}