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\begin{verbatim}
varvarim $B$H$O!"!V8@MUDL$j$K!$C`8lE*$K!W$H$$$&(B
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     #include <stdio.h>
     #include <math.h>
     #include <string.h>
     #define m       2.0     /* mass (kg)                            */
     #define k       10.0    /* spring constant (N/m)                */
\end{verbatim}

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