#include <bits/stdc++.h>
using namespace std;
int main()
{
int N,i,j,insum,line;
while(cin>>N)
{
insum=0;
for(i=0;;i++)
{
insum+=i;
if(insum >= N)
{
line = i;
break;
}
}
printf("TERM %d IS ", N);
if(line&1)//insum-line
printf("%d/%d\n", 1+insum-N, line-(insum-N));
else
printf("%d/%d\n", line-(insum-N), 1+insum-N);
}
return 0;
}
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