> #include<stdio.h>
> void main()
> {
> 	int x,y,m,n,l,i;
> 	int f,b;
> 	i=1;
> 	scanf("%d %d %d %d %d %d",&x,&y,&m,&n,&l);
                ~~~~~~~~~~~~~~~~~  ~~~~~~~~~~~~~~
> 	f=n-m;
> 	b=y-x;
> 	while(((f*i+b)%l)!=0)
> 	i++;
> 	printf("%d\n",i);
> }