Stack

#include<stdio.h>

int top=-1,ms=6,stack[6];

void push(int a)
{
    if(top==ms-1)
    {
        printf("Stack is full\n");
    }
    else
    {
        top++;
        stack[top]=a;
    }
}

void pop()
{
    int a;
    if(top==-1)
    {
        printf("Stack is empty\n");
    }
    else
    {
        a=stack[top];
        top--;

    }
    printf("%d ",a);

}

int main()
{
    int a,b,c;
    printf("\t\t\tPUSH OPERATION\n");
    scanf("%d",&a);
    for(b=0; b<a; b++)
    {
        scanf("%d",&c);
        push(c);
    }
    printf("\t\tPOP OPERATION\n");

    scanf("%d",&a);
    for(b=0; b<a; b++)
    {
        pop();
    }

    return 0;
}