19 lines
237 B
C
19 lines
237 B
C
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#include <stdio.h>
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int main()
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{
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long n, m, g, c;
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scanf("%ld %ld", &n, &m);
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g = n*2 - m/2;
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c = m/2 - n;
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if ((g + c == n) && (g*2 + c*4 == m) && (g >= 0) && (c >= 0))
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printf("%ld %ld\n", g, c);
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else
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puts("-1");
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return 0;
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}
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