#include<stdio.h>
#include<conio.h>
int main()
{
    int lastpday;
    int lastpmonth;
    int sexuald;
    int ovu;
    float circumference;
    float size;
    printf("enter your last period day : ");
    scanf("%d",&lastpday);
    printf("enter your last period month : ");
    scanf("%d",&lastpmonth);
    printf("enter your sexual day : ");
    scanf("%d",&sexuald);
if(lastpday==18,19,20,21,22,23,24,25,26,27,28,29,30,31 && lastpmonth==1,3,5,7,8,10,12)
{
    ovu=(lastpday+14)-31;
    printf("ovulation is %d",ovu);
    printf("\t/%d",lastpmonth+1);
    
}
else if(lastpday==17,18,19,20,21,22,23,24,25,26,27,28,29,30 && lastpmonth==4,6,9,11)
{
    ovu=(lastpday+14)-30;
    printf("ovulation is %d",ovu);
    printf("\t/%d",lastpmonth+1);
}
else if(lastpday==15,16,17,18,19,20,21,22,23,24,25,26,27,28 && lastpmonth==2)
{
    ovu=(lastpday+14)-28;
    printf("ovulation is %d",ovu);
    printf("\t/%d",lastpmonth+1);
}
else if(lastpday=1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 && lastpmonth==1,3,5,7,10,11,12)
{
    ovu=lastpday+14;
    printf("ovulation is %d",ovu);
    printf("\t/%d",lastpmonth);
}
else if(lastpday=1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 && lastpmonth==4,6,8,9)
{
    ovu=lastpday+14;
    printf("ovulation is %d",ovu);
    printf("\t/%d",lastpmonth);
}
else if(lastpday=1,2,3,4,5,6,7,8,9,10,11,12,13,14 && lastpmonth==2)
{
    ovu=lastpday+14;
    printf("ovulation is %d",ovu);
    printf("\t/%d",lastpmonth);
}

    getch();
return 0;    
}