#include <stdio.h>
int main(void) {
// scan data
int a,b,c,d;
int stop=0;
int degree;
while(stop==0){
scanf("%d%d%d%d",&a
,&b
,&c
,&d
); if(a==0&&a==b&&b==c&c==d)
stop=1;
else{
degree=720;
degree+=9*((a-b+40)%40);
degree+=360;
degree+=9*((c-b+40)%40);
degree+=9*((c-d+40)%40);
}
}
return 0;
}
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