Untitled

#include<stdio.h>
int main()
{
    float a,b;
    double c,d;
    //read numbers
    scanf("%f %f",&a,&b);
    scanf("%lf %lf",&c,&d);

    //print letter a,b

    printf("A = %f, B = %f\n", a, b);
    printf("C = %lf, D = %lf\n", c, d);
    printf("A = %.1f, B = %.1f\n", a, b);
    printf("C = %.1lf, D = %.1lf\n", c, d);
    printf("A = %.2f, B = %.2f\n", a, b);
    printf("C = %.2lf, D = %.2lf\n", c, d);
    printf("A = %.3f, B = %.3f\n", a, b);
    printf("C = %.3lf, D = %.3lf\n", c, d);
    printf("A = %.3E, B = %.3E\n", a, b);
    printf("C = %.3E, D = %.3E\n", c, d);
    printf("A = %.0f, B = %.0f\n", a, b);
    printf("C = %.0lf, D = %.0lf\n", c, d);




    return 0;
}