13 lines
248 B
C
13 lines
248 B
C
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#include <stdio.h>
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#include <stdlib.h>
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int main(int argc, char **argv) {
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int n, h, v;
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scanf("%d %d %d", &n, &h, &v);
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int max_h = h > n - h ? h : n - h;
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int max_v = v > n - v ? v : n - v;
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printf("%d\n", max_h * max_v * 4);
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return 0;
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}
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