scanf like this

#include<stdio.h>
#include<stdlib.h>
#include<stdbool.h>
int main(){
    double age=0;
    printf("enter your age:");
    scanf("%lf",&age);

    printf("your age is:%lf\n",age);

    int x=0;
    double y=0;
    char c;

    scanf("%d%lf",&x,&y);
    printf("x=%d,y=%lf\n",x,y);

    printf("Input for second data:\n");
    scanf("%d",&x);
    //fflush(stdin);
    scanf("%lf",&y);
    printf("x=%d\ny=%lf",x,y);

    printf("input charactor:\n");
    scanf("%c",&c);
    printf("%c",c);


return 0;


}