nat i = 0;
//for (nat x in [0..10]) {
// print(x as str);
//}
for (nat j = 0; j < 10; j = j + 1) {
print(j as str);
}
halt;
function print(str string) {
while (i < string.length) {
write = string[i];
i = i + 1;
write = '\n';