//类似深度搜索
let status;
while(line = readline()) {
let arr = line.split(' ').map(x => parseInt(x));
status = false;
dfs(-1, 0, arr, status);
print(status);
}
function dfs(step, pre, arr) {
if (step == 3) {
if (pre == 24) {
status = true;
return;
}
} else {
step++;
for (let key in arr) {
let newArr = JSON.parse(JSON.stringify(arr));
let num = newArr.splice(key, 1)[0];
dfs(step, pre+num, newArr);
dfs(step, pre-num, newArr);
dfs(step, pre*num, newArr);
dfs(step, pre/num, newArr);
}
return;
}
}