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somratcste/CodeForce Problem A

Created May 21, 2018 06:48
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CodeForce Problem A
<?php
fscanf(STDIN, "%d %d", $number, $time);
for ($i = 1; $i <= $time; $i++) {
$lastDigit = $number % 10 ;
if($lastDigit != 0) {
$number -= 1;
} else {
$number /= 10;
}
}
echo $number;
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