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#include <stdio.h>
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#include <string.h>
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int main()
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{
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__int64 dp[40][40];
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memset(dp,0,sizeof(dp));
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dp[1][1]=1;
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int i,j,n;
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for(i=2;i<=36;i++)
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for(j=1;j<=i;j++)
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{
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dp[i][j]=dp[i-1][j]+dp[i][j-1];
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}
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i=0;
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while(scanf("%d",&n)&&n!=-1)
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printf("%d %d %I64d\n",++i,n,2*dp[n+1][n+1]);
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}
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